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23043443125 = 54311189339
BaseRepresentation
bin10101011101011111…
…110000100110110101
32012110221022012100111
4111131133300212311
5334143110140000
614330324543021
71444016014633
oct253537604665
965427265314
1023043443125
11985547197a
124571251a71
13223308cc61
14118859a353
158ed041cba
hex55d7f09b5

23043443125 has 20 divisors (see below), whose sum is σ = 29723985280. Its totient is φ = 17840070000.

The previous prime is 23043443117. The next prime is 23043443149. The reversal of 23043443125 is 52134434032.

It is a happy number.

It is not a de Polignac number, because 23043443125 - 23 = 23043443117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 575295 + ... + 614044.

It is an arithmetic number, because the mean of its divisors is an integer number (1486199264).

Almost surely, 223043443125 is an apocalyptic number.

23043443125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23043443125 is a deficient number, since it is larger than the sum of its proper divisors (6680542155).

23043443125 is an equidigital number, since it uses as much as digits as its factorization.

23043443125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189390 (or 1189375 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 23043443125 its reverse (52134434032), we get a palindrome (75177877157).

The spelling of 23043443125 in words is "twenty-three billion, forty-three million, four hundred forty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 31 125 155 625 775 3875 19375 1189339 5946695 29733475 36869509 148667375 184347545 743336875 921737725 4608688625 23043443125